Math Inline

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$inline$|label$$block$$|label$a(b{c[d]})$
=======

(doc
    (math_block
        (math_lvl: "$")
        (math_body
            (math_chars: "inline")
        )
        (label (ident: "label"))
    )
    (math_block
        (math_lvl: "$$")
        (math_body
            (math_chars: "block")
        )
        (label (ident: "label"))
    )
    (math_block
        (math_lvl: "$")
        (math_body
            (math_chars: "a")
            (math_block_paren
                (math_chars: "b")
                (math_block_curly
                    (math_chars: "c")
                    (math_block_bracket
                        (math_chars: "d")
                    )
                )
            )
        )
    )
)